Base | Representation |
---|---|
bin | 10011100100110… |
… | …01000111111101 |
3 | 102102222110222122 |
4 | 21302121013331 |
5 | 314014030203 |
6 | 24143252325 |
7 | 4032501635 |
oct | 1162310775 |
9 | 372873878 |
10 | 164205053 |
11 | 84764761 |
12 | 46baa0a5 |
13 | 2803376c |
14 | 17b456c5 |
15 | e638538 |
hex | 9c991fd |
164205053 has 4 divisors (see below), whose sum is σ = 164983488. Its totient is φ = 163426620.
The previous prime is 164205029. The next prime is 164205079. The reversal of 164205053 is 350502461.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350502461 = 31 ⋅11306531.
It is a cyclic number.
It is not a de Polignac number, because 164205053 - 212 = 164200957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164205653) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388901 + ... + 389322.
It is an arithmetic number, because the mean of its divisors is an integer number (41245872).
Almost surely, 2164205053 is an apocalyptic number.
It is an amenable number.
164205053 is a deficient number, since it is larger than the sum of its proper divisors (778435).
164205053 is an equidigital number, since it uses as much as digits as its factorization.
164205053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 778434.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 164205053 is about 12814.2519485142. The cubic root of 164205053 is about 547.5984024183.
The spelling of 164205053 in words is "one hundred sixty-four million, two hundred five thousand, fifty-three".
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